Lois Ahalt, CRNP
NPI 1841339629 · Occupational Health Registered Nurse · Frederick, MD
Lois Ahalt, CRNP is a Occupational Health Registered Nurse provider in Frederick, MD (NPI 1841339629).
Provider details
- NPI number
- 1841339629
- Entity type
- Individual
- Primary specialty
- Occupational Health Registered NurseNursing Service Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- R070660 (MD)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$380 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-06
- Last updated
- 2018-10-23
Frequently asked questions
- What is Lois Ahalt's NPI number?
- Lois Ahalt's National Provider Identifier (NPI) is 1841339629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lois Ahalt's specialty?
- Lois Ahalt is listed in the NPPES registry with a primary specialty of Occupational Health Registered Nurse (Nursing Service Providers).
- Where is Lois Ahalt located?
- Lois Ahalt's practice location on file with NPPES is 8300 Research Plaza, Frederick, MD 21702-9210.
- What is Lois Ahalt's phone number?
- The practice phone number listed in the NPPES registry for Lois Ahalt is (301) 619-5540.
- Is Lois Ahalt's NPI active?
- Yes — Lois Ahalt's NPI (1841339629) is active in the NPPES registry as of the last update on 2018-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.